GTT, Common Subject Thesaurus (RDF)

The Common Subject Thesaurus (GTT), also known as Common Subject Indexing (GOO), was developed to enable academic libraries to carry out subject indexing jointly as part of the Shared Automated Cataloguing System (GGC).

Linked Data Summary

69,073
Unique subjects
573,446
Triples
8.3
Avg. triples per subject
11
Unique predicates
342,743
Unique objects
57%
43%
Literals: 194,689
URIs: 148,054

Classes

Class
Entities
skos:Concept
69,073
100%

Properties

Property
Entities
skos:inScheme
69,073
23%
schema:mainEntityOfPage
69,073
23%
skos:prefLabel
69,069
23%
skos:editorialNote
47,486
16%
skos:broader
28,613
9%
skos:altLabel
19,909
7%

Value Types

Value Type
Triples
schema:WebPage
69,073
39%
schema:Dataset
69,073
39%
skos:Concept
37,323
21%
xsd:string
154
0%
udcdata.info/UDCnotation
1
0%

Terminology Sources

Registration

Registered on
February 6, 2025 at 11:58 AM
Last read
11 hours ago
Completeness
90%
Missing properties: dcat:keyworddcterms:language